During chemistry lab, carl and his lab partner, mary, mixed four halide salts, one at a time, with silver nitrate. mary commented that all but one salt reacted chemically with the silver nitrate. carl asked her how she knew that a chemical reaction had occurred. what was mary's response based on evidence in this activity?

The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!

Acompound has a molecular weight of 12.124 atomic mass units and the empirical formula c3h40. what is the molecular formula of the compound?

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.